基线 SVN r240

SVN-Revision: r240
2025-02-06 06:46:06 +00:00
commit ab56a9bcf7
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+using System.ComponentModel;
+using System.Drawing;
+using System.Windows.Forms;
+
+namespace Lskj.Control.ImageLibrary
+{
+    /// <summary>
+    /// ImageWhirligigExt控件设计模式行为
+    /// </summary>
+    [Description("ImageWhirligigExt控件设计模式行为")]
+    public class ImageWhirligigExtDesigner : DottedLineBorderExtDesigner
+    {
+        protected override void OnPaintAdornments(PaintEventArgs pe)
+        {
+            this.DrawTipText(pe.Graphics);
+            base.OnPaintAdornments(pe);
+        }
+
+        /// <summary>
+        /// 绘制提示文本
+        /// </summary>
+        /// <param name="graphics"></param>
+        private void DrawTipText(Graphics graphics)
+        {
+            ImageWhirligigExt _control = (ImageWhirligigExt)this.Control;
+            System.Windows.Forms.Control control = this.Control;
+            if (_control.Images.Count < 1)
+            {
+                string text = "请添加图片";
+                SizeF text_size = graphics.MeasureString(text, _control.Font);
+                SolidBrush text_sb = new SolidBrush((double)control.BackColor.GetBrightness() >= 0.5 ? ControlPaint.Dark(control.BackColor) : ControlPaint.Light(control.BackColor));
+                graphics.DrawString(text, _control.Font, text_sb, new RectangleF(control.ClientRectangle.X + (control.ClientRectangle.Width - text_size.Width) / 2f, control.ClientRectangle.Y + (control.ClientRectangle.Height - text_size.Height) / 2f, text_size.Width, text_size.Height));
+                text_sb.Dispose();
+            }
+        }
+
+    }
+}